code: def get_color(ind=(), scale=1, dtype=float):
      """Gets color (or colors) referenced by index (or indices)."""
      return np.ndarray.astype(_COLORS[ind] * scale, dtype)
  
file_path: pycls/pycls/sweep/plotting.py
imports: import matplotlib.lines
  import matplotlib.pyplot
  import matplotlib.ticker
  import numpy
  import pycls.models.regnet
  from pycls.sweep.analysis import get_info, get_vals, sort_sweep
label_desc: Use image node_id 4 for calling a global function with example usage: get_color(ind, scale, dtype) and returns: np